JavaScript execution flow - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to print 'Hello' to the console.

Javascript

console.[1]('Hello');

Drag options to blanks, or click blank then click option'

Alog

Bprint

Cwrite

Decho

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'print' which is not a JavaScript console method.

Using 'write' or 'echo' which are not valid console methods.

The console.log method prints messages to the console in JavaScript.

2fill in blank

medium

Complete the code to declare a variable named 'count' with value 5.

Javascript

let [1] = 5;

Drag options to blanks, or click blank then click option'

Avar

Bcount

Clet

Dconst

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'var' or 'let' as the variable name instead of the actual name.

Using 'const' which is a keyword, not a variable name.

Variable names go after the keyword. Here, count is the variable name.

3fill in blank

hard

Fix the error in the function declaration to correctly define a function named greet.

Javascript

function [1]() {
  console.log('Hi');
}

Drag options to blanks, or click blank then click option'

AfunctionGreet

BgreetFunction

Cgreet()

Dgreet

Attempts:

3 left

💡 Hint

Common Mistakes

Including parentheses in the function name during declaration.

Using invalid function names.

Function names should not include parentheses in the declaration. Just use the name greet.

4fill in blank

hard

Fill both blanks to create a for loop that counts from 0 to 4.

Javascript

for (let i = [1]; i [2] 5; i++) {
  console.log(i);
}

Drag options to blanks, or click blank then click option'

A0

B<

C<=

D5

Attempts:

3 left

💡 Hint

Common Mistakes

Starting at 1 instead of 0.

Using <= 5 which would count to 5 instead of 4.

The loop starts at 0 and runs while i is less than 5, counting 0 to 4.

5fill in blank

hard

Fill all three blanks to create an if statement that checks if x is greater than 10 and prints 'Big'.

Javascript

if ([1] [2] [3]) {
  console.log('Big');
}

Drag options to blanks, or click blank then click option'

Ax

B>

C10

Dx > 10

Attempts:

3 left

💡 Hint

Common Mistakes

Putting the whole condition as one blank instead of separate parts.

Using wrong comparison operators like < or =.

The condition checks if variable x is greater than 10 using the > operator.